Chemical like DDT, PHP, PCP, etc. Are used in which method of termite proofing.
(a) Structural barrier
(b) Soil treatment using powder
(c) Soil treatment using emulsion
(d) Electronic method
I have been asked this question in an interview for internship.
This intriguing question originated from Termite Proofing in section Damp Proofing, Water Proofing and Termite Proofing of Construction & Building Materials